HÁJEK, P.; VÍT, O. Front Matter: Volume 1. Proceedings of CBU in Social Sciences, [S. l.], v. 1, p. i-ix, 2020. DOI: 10.12955/pss.v1.131. Disponível em: https://ojs.cbuic.cz/index.php/pss/article/view/131. Acesso em: 5 nov. 2026.